异常处理

#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
    cin>>n;
    try{
        if(n<0){
            throw runtime_error("you have a fu shu");
        }else{
            if(n%2==0){
                throw "even";
            }else{
                throw "odd";
            }
        }
    }
    catch(runtime_error& e){
        cout<<e.what();
    }
    catch(const char* s){
        cout<<s;
    }
    return 0;
}